NBC's Jacob Soboroff on his exclusive reporting of emails between Trump administration officials that show they did not have a central database of information to reunite migrant families who had been separated during the zero-tolerance policy. 

Former federal prosecutor Paul Butler, WaPo's Robert Costa, NBC's Heidi Przybyla, MSNBC national affairs analyst John Heilemann, and "Saturday Night Politics" host Donny Deutsch on the scathing letter White House attorney Emmet Flood sent to Special Counsel Robert Mueller following Barr's testimony. 

Rev. Al Sharpton, Vanity Fair's Emily Jane Fox, MSNBC national affairs analyst John Heilemann, and "Saturday Night Politics" host Donny Deutsch on Joe Biden's successful attempt to get under Trump's skin ahead of the 2020 race. 

Rev. Al Sharpton, Vanity Fair's Emily Jane Fox, NBC's Heidi Przybyla, MSNBC national affairs analyst John Heilemann, and "Saturday Night Politics" host Donny Deutsch on Sen. Harris' memorable questioning of attorney general Bill Barr and how it will impact the 2020 field.